Difference between revisions of "Zygodon viridissimus"
Bryol. Univ. 1: 592. 1826.
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|distribution=North America;Mexico;Central America;Europe;w Asia;Africa;Atlantic Islands (Canary Islands). | |distribution=North America;Mexico;Central America;Europe;w Asia;Africa;Atlantic Islands (Canary Islands). | ||
|discussion=<p>Varieties 5 (3 in the flora).</p><!-- | |discussion=<p>Varieties 5 (3 in the flora).</p><!-- | ||
| − | --><p>Zygodon viridissimus in the flora area includes phenotypes with ovate to elliptic gemmae; narrowly lanceolate, loosely erect leaves; the abaxial surface of the distal 1/3–1/2 of the costa covered with papillose, quadrate cells; dioicous sexual condition; and rudimentary (or no) peristome.</p> | + | --><p><i>Zygodon viridissimus</i> in the flora area includes phenotypes with ovate to elliptic gemmae; narrowly lanceolate, loosely erect leaves; the abaxial surface of the distal 1/3–1/2 of the costa covered with papillose, quadrate cells; dioicous sexual condition; and rudimentary (or no) peristome.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1826 | |publication year=1826 | ||
|special status=Selected by author to be illustrated | |special status=Selected by author to be illustrated | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V28/V28_127.xml |
|genus=Zygodon | |genus=Zygodon | ||
|species=Zygodon viridissimus | |species=Zygodon viridissimus | ||
Revision as of 17:03, 18 September 2019
Plants to 2.3 cm. Stem leaves loosely erect and ± spirally twisted to somewhat contorted, sometimes falcate-secund at stem apices when dry, erect-spreading to spreading when moist, lanceolate, narrowly so, elongate-lanceolate, oblong-lanceolate, or linear-lanceolate, 1–2 mm; margins entire or irregularly serrulate or serrate near apex, somewhat wavy; apex acute with gradual apiculus, apiculate, short-apiculate, or short-acuminate; costa ending below apex, abaxial surface covered by quadrate papillose cells distally; basal laminal cells subquadrate to rectangular; distal cells 7–11 µm, papillae 2–4 per cell, walls somewhat thick. Specialized asexual reproduction by clavate, elliptic, or subcylindric gemmae, longitudinal walls present or absent. Sexual condition dioicous. Sporophytes unknown.
Distribution
North America, Mexico, Central America, Europe, w Asia, Africa, Atlantic Islands (Canary Islands).
Discussion
Varieties 5 (3 in the flora).
Zygodon viridissimus in the flora area includes phenotypes with ovate to elliptic gemmae; narrowly lanceolate, loosely erect leaves; the abaxial surface of the distal 1/3–1/2 of the costa covered with papillose, quadrate cells; dioicous sexual condition; and rudimentary (or no) peristome.
Selected References
None.
Lower Taxa
Key
| 1 | Leaf margins serrulate at apex. | Zygodon viridissimus var. dentatus |
| 1 | Leaf margins entire | > 2 |
| 2 | Gemmae with longitudinal septa present; leaves oblong-lanceolate to lanceolate. | Zygodon viridissimus var. viridissimus |
| 2 | Gemmae with longitudinal septa absent; leaves linear- to elongate-lanceolate. | Zygodon viridissimus var. rupestris |